/Engine/Source/Runtime/Core/Public/Containers/Map.h
Filters the elements in the map based on a predicate functor.TMapwith the same type as this object which contains the subset of elements for which the functor returns true.
template<typename Predicate> [TMap](API\Runtime\Core\Containers\TMap)< KeyType, ValueType, SetAllocator, KeyFuncs > FilterByPredicate ( Predicate Pred ) const